# WeChat Pay APIv3 (Service Provider / Partner)

**Canonical:** https://apis.io/apis/wechat/wechat-pay-apiv3-service-provider/  
**Provider:** WeChat — https://apis.io/providers/wechat/  
**Base URL:** https://api.mch.weixin.qq.com  
**Documentation:** https://pay.weixin.qq.com/wiki/doc/apiv3_partner/en/index.shtml

WeChat Pay APIv3 (Service Provider / Partner) is one of 16 APIs that [WeChat](https://apis.io/providers/wechat/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Payments, WeChat Pay, Service Provider, Sub-Merchants, and Onboarding. The published artifact set on APIs.io includes an API reference and API documentation.

WeChat Pay's APIv3 in "service provider" mode, used by payment platforms and ISVs to onboard and operate sub-merchants. Adds combined-order JSAPI/Native/App payments, sub-merchant onboarding ("特约商户进件"), sub-merchant settlement and bill journals, partner-mode refunds, profit sharing across sub-merchants, marketing tooling, and consumer complaint handling on behalf of sub-merchants.

## Machine-readable artifacts (2)

- **APIReference** — https://pay.weixin.qq.com/wiki/doc/apiv3_partner/en/index.shtml
- **Documentation** — https://pay.weixin.qq.com/wiki/doc/apiv3_partner/en/index.shtml

## Other WeChat APIs (12)

- [WeChat Mini Programs Server API](https://apis.io/apis/wechat/wechat-mini-programs-server-api/)
- [WeChat Mini Programs Client API](https://apis.io/apis/wechat/wechat-mini-programs-client-api/)
- [WeChat Pay APIv3 (Direct-Connect Merchant)](https://apis.io/apis/wechat/wechat-pay-apiv3-direct-merchant/)
- [WeChat Pay Global v3 API](https://apis.io/apis/wechat/wechat-pay-global-v3/)
- [WeChat Open Platform — Mobile App Login (OAuth 2.0)](https://apis.io/apis/wechat/wechat-open-platform-mobile-login/)
- [WeChat Open Platform — Website Login (QR OAuth)](https://apis.io/apis/wechat/wechat-open-platform-website-login/)
- [WeChat Open Platform — Third-Party Platform API](https://apis.io/apis/wechat/wechat-open-platform-third-party/)
- [WeChat Official Accounts API](https://apis.io/apis/wechat/wechat-official-accounts-api/)
- [WeChat Work (WeCom) API](https://apis.io/apis/wechat/wechat-work-api/)
- [WeChat Cloud Hosting API](https://apis.io/apis/wechat/wechat-cloud-hosting-api/)
- [WeChat Channels (Video Accounts) Developer Surface](https://apis.io/apis/wechat/wechat-channels-api/)
- [WeChat Shop (微信小店) API](https://apis.io/apis/wechat/wechat-shop-api/)

## Tags

Payments, WeChat Pay, Service Provider, Sub-Merchants, Onboarding, Profit Sharing

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/wechat/wechat-pay-apiv3-service-provider/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/wechat/.